Home / 672,410.34-927,899.10-366,480.18

Finding the Fourth Proportional to 672,410.34, 927,899.10 and 366,480.18

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Solution

The fourth proportional to 672,410.34, 927,899.10 and 366,480.18 is: 505,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,410.34 : 927,899.10 = 366,480.18 : x
  2. Step 2: Convert to fraction form
    672,410.34/927,899.10 = 366,480.18/x
  3. Step 3: Cross multiply
    672,410.34x = 927,899.10 × 366,480.18
  4. Step 4: Simplify right side
    672,410.34x = 340,056,629,189.84
  5. Step 5: Solve for x
    x = 340,056,629,189.84/672,410.34
  6. Step 6: Final answer
    x = 505,727.84

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.